Ising antiferromagnet on the Archimedean lattices

被引:27
|
作者
Yu, Unjong [1 ,2 ]
机构
[1] Gwangju Inst Sci & Technol, Div Liberal Arts & Sci, Gwangju 500712, South Korea
[2] Gwangju Inst Sci & Technol, Dept Phys & Photon Sci, Gwangju 500712, South Korea
来源
PHYSICAL REVIEW E | 2015年 / 91卷 / 06期
基金
新加坡国家研究基金会;
关键词
FRUSTRATED MAGNETS; SPIN-GLASSES; FERROMAGNETISM; MODEL;
D O I
10.1103/PhysRevE.91.062121
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Geometric frustration effects were studied systematically with the Ising antiferromagnet on the 11 Archimedean lattices using the Monte Carlo methods. The Wang-Landau algorithm for static properties (specific heat and residual entropy) and the Metropolis algorithm for a freezing order parameter were adopted. The exact residual entropy was also found. Based on the degree of frustration and dynamic properties, ground states of them were determined. The Shastry-Sutherland lattice and the trellis lattice are weakly frustrated and have two- and one-dimensional long-range-ordered ground states, respectively. The bounce, maple-leaf, and star lattices have the spin ice phase. The spin liquid phase appears in the triangular and kagome lattices.
引用
收藏
页数:5
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